This set of notations consists of two sheets that were numbered consecutively as Sheet 1 and 2 by Babbage. There are also two accompanying drafts, one possibly applicable to the whole notation and the other to Sheet 1.
The draft possibly applicable to the whole set of notations is in pencil, with a note 'rough draft' on the front page. It was numbered 385 by Babbage and F.385 [a] by Bromley.
- Large Format Document